SBC Block Casting Numbers South Georgia Hotrods
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SBC Block Casting Numbers

 
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PostPosted: Wed Jan 18, 2006 9:24 am    Post subject: SBC Block Casting Numbers Reply with quote

Number Size Year Mainbolts Notes

140029.....350...80-84...2
330817.....400...72-80...2
355909.....262.....75....2
355909.....305...76-79...2
360851.....262...75-76...2...Monza V-8
361979.....305...78-79...2
366245.....350...78-79...2
366286...................4...Bowtie, Aluminum, siamesed,straight nodular iron main caps, 2-piece seal, 4.00-4.150" bores, 2.45" main journals
366287...................4...Bowtie, Aluminum, siamesed, straight nodular iron main caps, 2-piece seal, 4.00-4.150" bores, 2.45" main journals
366299...................4...Bowtie, Aluminum, nodular iron splayed caps, wet sump, 4.00" bore
389257.....302.....67....2
393288.....283...65-67...2
460703.....350.....78....4
460776.....305...78-79...2
460777.....305...78-79...2
460778.....305...78-79...2
471511.....267...79-82...2
3556519....283...58-61...2
3703524....265.....55....2...No oil filter
3720991....265...56-57...2
3731548....265...57......2...No side motor mounts
3731548....283...57......2...No side motor mounts
3737739....283...58-64...2
3756519....283...58-62...2
3782870....327...62-67...2
3789817....283...62-64...2
3789817....327...62-67...2
3789935....283...61-64...2
3790721....283...62-64...2...Chevy II recessed oil filter boss
3790721....327...65-66...2...Chevy II recessed oil filter boss
3791362....327...62-67...2...Chevy II recessed oil filter boss
3792563....327.....65....2
3792582....283...64-65...2
3794226....283...58-63...2
3794460....327...62-64...2
3814660....327...68-69...2
3830944....327.....63....2
3834810....283...64-66...2
3834812....283...62-63...2
3837739....283...58-62...2
3849852....283...57-66...2
3849935....283...65-67...2
3858174....327...64-67...2
3858180....327...64-67...2
3858618....350...68-76...2
3862194....283...65-67...2...Chevy II recessed oil filter boss
3862812....283...62-64...2
3892657....302.....67....2...Z-28 Camaro
3892657....327.....67....2
3892657....350.....67....2...Camaro
3896944....283.....67....2
3896948....283...66-67...2
3903352....327.....67....2
3914636....307.....68....2
3914653....307...68-73...2
3914660....327.....68....2
3914678....302.....68....2...Z-28 Camaro
3914678....327.....68....2
3914678....350.....68....2
3932371....307...69-73...2
3932373....307...68-73...2
3932386....302.....69....4...Z-28 Camaro
3932386....327.....69....2
3932386....350.....69....4
3932388....350.....69....2 or 4
3951509....400...70-71...4
3951509....400...74-80...2
3951511....400...70-73...4...Some replacement blocks had 2-bolt main caps
3956618....302.....69....4...Z-28 Camaro
3956618....327...68-69...2
3956618....350.....69....2 or 4
3956632....307.....69....2
3959512....327...62-67...2...May have been used for some replacement blocks
3970010....302.....69....4...Z-28 Camaro
3970010....350...69-80...2 or 4
3970014....350...70-75...2 or 4
3970020....307...70-73...2
3970024....307...69-73...2
4715111....305.....80....2
6259425....350...69-76...2
10036033...350...........4...Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"
10051182.................2 or 4...Bowtie, 3.75"-4.30" bores, 1 or 2-piece rear seal
10051184.................4...Bowtie, 4.00"-4.155" bores, 1 or 2-piece rear seal
10054727...350...86-up...2 or 4...one piece rear seal, some "Made in Canada"
10066036...350...........2 or 4...Target Master/Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"
10066038...350.....94....4...Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico"
10090511...350.....90....2...LT-5, ZR1 Vette, 375hp
10125327...350...92-up...2 or 4...Gen.II LT-1, reverse flow cooling
10125327...350...96-up...2 or 4...Gen.II LT-4, reverse flow cooling
10134996.................4...Bowtie, Aluminum, 4.125" bore 2.65" main journals
10153558...350...91-92...4...LT-5, ZR1 Vette, 375hp
10168588...265...94-96...2...L99, Gen.II, 4.3 Liter V-8, Caprice, reverse flow cooling
10199001...350...93-95...4...LT-5, ZR1 Vette, 405hp
10243878...305...96-97...2...Vortec truck, roller cam, one-piece rear seal
10243880...350...95-00...2 or 4...Gen.I crate motors and "ZZ4", roller cam, one piece rear seal
12550592...350...97-up...crossbolted block, Gen.III, "LS1"
12559846...350...98-up...crossbolted block, Gen.III, "LS1"
12560621...350...98-up...crossbolted block, Gen.III, "LS1"
12562174...350...98-up...crossbolted block, Gen.III, "LS1"
14010201...305...80-84...2
14010202...305...80-84...2
14010203...305...80-85...2
14010207...350...80-85...2 or 4
14010209...350...80-85...4
14010280...267...79-82...2
14011064...350...83......4
14011148...350...87-89.......Roller cam, one-piece rear seal
14016376...267...79-82...2
14016379...350...77-79...2 or 4
14016381...305...80-84...2
14016382...305...79-84...2
14016383...305...80-85...2...Truck
14079287...350...86-90.......Truck
14088526...350...87-89.......Roller cam, one-piece rear seal
14088548...350...86-88...2 or 4
14088551...305...86-87...2...one-piece rear main seal
14093627...305...87-91...2...Roller cam, one-piece rear seal
14093638...350...87-95...2 or 4...Roller or flat tappet cam one-piece rear seal
14094766...305...86-up...2...One-piece rear seal
14101148...350...87-90...4...One-piece rear seal
14102058...305...87-91...2...Roller cam, one-piece rear seal
22551656.................4...Rocket block, 4.00"-4.190" bores, 2.45" main journal sizes, splayed caps, dry sump, 2-piece rear seal, 9.025" deck
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